References
- W. Roh et al., "Millimeter-wave beamforming as an enabling technology for 5G cellular communications", IEEE Communications Magazine, vol. 52, pp. 106-113, Feb. 2014.
- T. Rappaport et al., "Millimeter wave mobile communications for 5G cellular: It will work!", IEEE Access, vol. 1, pp. 335-349, May 2013. https://doi.org/10.1109/ACCESS.2013.2260813
- 신현철, "5G 이동통신을 위한 밀리미터파 대역 빔포밍 기술 개발 동향", 대한전자공학회 하계종합학술대회, pp. 2027-2028, 2014년 6월.
- K. Wincza et al., "Reduced sidelobe four-beam antenna array fed by modified Butler matrix", Electronics Letters, vol. 42, pp. 508-509, Apr. 2006. https://doi.org/10.1049/el:20060313
- W. R. Li et al., "Switched-beam antenna based on modified Butler matrix with low sidelobe level", Electronics Letters, vol. 40, pp. 290-292, Mar. 2004. https://doi.org/10.1049/el:20040198
- R. A. Alhalabi et al., "High-gain yagi-uda antennas for millimeter-wave switched-beam systems", IEEE Transactions on Antenna and Propagation, vol. 57, pp. 3672-3676, Nov. 2009. https://doi.org/10.1109/TAP.2009.2026666
- H. Wang, "A switched beam antenna with shaped radiation pattern and interleaving array architecture", IEEE Transactions on Antennas and Propagation, vol. 63, pp. 2914-2921, Apr. 2015. https://doi.org/10.1109/TAP.2015.2422838
-
박성춘, 김승현, 손지훈, 신현철, "밀리미터파 기반의 배열 안테나를 포함한 4
$\times$ 4 빔포밍 회로 설계", 마이크로파 및 전파전파 학술대회, p. 51, 2015년 6월. - M. M. Alam, "Microstrip antenna array with four port butler matrix for switched beam base station application", 12th International Conference on Computers and Information Technology, 2009. ICCIT '09.CCIT, pp. 531-536, Dec. 2009.
- M. M. Alam et al., "Design and performance analysis of microstrip array antenna", Progress in Electromagnetics Research Symposium Proceedings, pp. 1837-1842, Aug. 2009.
- M. T. I. Huque et al., "Design and performance analysis of microstrip array antennas with optimum parameters for X-band applications", International Journal of Advanced Computer Science and Applications, vol. 2, pp. 81-87, 2011.
- J. S. Wight et al., "A microstrip and stripline crossover structure", IEEE Transactions on Microwave Theory and Techniques, vol. 24, p. 270, May 1976. https://doi.org/10.1109/TMTT.1976.1128838
- N. S. A. Archad et al., "0 dB coupler employing slot technique on planar microstrip", 2014 International Conference on Computer, Communications, and Control Technology(I4CT), pp. 294-299, Sep. 2014.
- T. A. Denidni et al., "Wide band four-port butler matrix for switched multibeam antenna arrays", 14th IEEE Proceedings on Personal, Indoor and Mobile Radio Communications, vol. 3, pp. 2461-2464, Sep. 2003.
- W. L. Stuzman et al., G. A. Thiele, Antenna Theory and Design 3rd Edition, pp. 316-326, May 2012.
- LG Electronics Inc., "안테나 배열에서 빔 형성 방법 및 장치", PCT, 공개번호 WO2014204070A1(2014. 12. 24)
- H. Steyskal et al., "Mutual coupling compensation in small array antennas", IEEE Transactions on Antennas and Propagation, vol. 38, pp. 1971-1975, Dec. 2014.
- 민경식, 김동진, 박철근, 문영민, 김영일, "평면 배열 안테나의 소자간 상호 결합 억압 설계", 한국전자파학회논문지, 16(8), pp. 803-809, 2005년 8월.